#数组的算术运算
import numpy as np
a1 = np.array([[10,20,30],[40,50,60]])
print('2*3的数组：\n',a1)
a2 = np.array([[1,2,2],[2,2,3]])
print('2*3的数组：\n',a2)
print('a1与a2的加法运算：\n',a1 + a2)
print('a1与a2的减法运算：\n',a1 - a2)
print('a1与a2的乘法运算：\n',a1 * a2)
print('a1与a2的除法运算：\n',a1 / a2)
print('a1与a2的幂运算：\n',a1 ** a2)